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JET Tools GH-1440-1 Manual

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This .pdf document is bookmarked Operating Instructions and Parts Manual Geared Head Lathe 14x40 inch Model GH-1440 JET 427 New Sanford Road LaVergne, Tennessee 37086 Ph.: 800-274-6848 www.jettools.com Part No. M-322830 Edition 1 06/2017 Copyright © 2017 JET

Section	Page
Geared Head Lathe 14x40 inch	1
1.0 IMPORTANT SAFETY INSTRUCTIONS	2
2.0 Table of contents	4
3.0 About this manual	5
4.0 Specifications	6
5.0 Uncrating	8
5.1 Contents of shipping container	8
6.0 Installation	9
6.1 Chuck preparation (three jaw)	9
7.0 Lubrication	10
8.0 Coolant preparation	12
9.0 Electrical connections	12
9.1 Voltage conversion (GH-1440-3 only)	12
10.0 General description	13
11.0 Operation	16
11.1 Break-in procedure	16
11.2 Feed and thread selection	17
11.3 Change gears replacement	17
11.4 Automatic feed operation and feed changes	17
11.5 Powered carriage travel	18
11.6 Thread cutting	18
11.7 Compound rest	18
12.0 Adjustments	18
12.1 Saddle	18
12.2 Cross slide	19
12.3 Compound rest	19
12.4 Tailstock	19
12.5 Tailstock off-set	19
12.6 Tailstock gibs	19
12.7 Headstock alignment	20
12.8 Removing gap bridge	20
12.9 Installing gap bridge	20
12.10 Belt replacement and adjustment	21
12.11 Aligning tailstock to headstock	21
13.0 Operation tables	22
13.1 Thread table	22
13.2 Feed table	22
14.0 Replacement Parts	22
14.1.1 Headstock Assembly I – Exploded View	23
14.1.2 Headstock Assembly I – Parts List	24
14.2.1 Headstock Assembly II – Exploded View	26
14.2.2 Headstock Assembly II – Parts List	27
14.3.1 Headstock Assembly III – Exploded View	28
14.3.2 Headstock Assembly III – Parts List	29
14.4.1 Gearbox Assembly I – Exploded View	30
14.4.2 Gearbox Assembly I – Parts List	31
14.5.1 Gearbox Assembly II – Exploded View	33
14.5.2 Gearbox Assembly II – Parts List	34
14.6.1 Apron Assembly I – Exploded View	36
14.6.2 Apron Assembly I – Parts List	37
14.7.1 Apron Assembly II – Exploded View	38
14.7.2 Apron Assembly II – Parts List	39
14.8.1 Saddle and Cross Slide Assembly – Exploded View	40
14.8.2 Saddle and Cross Slide Assembly – Parts List	41
14.9.1 Top Slide and Tool Post – Exploded View	43
14.9.2 Top Slide and Tool Post – Parts List	44
14.10.1 Tailstock Assembly – Exploded View	45
14.10.2 Tailstock Assembly – Parts List	46
14.11.1 Bed and Shaft Assembly – Exploded View	47
14.11.2 Bed and Shaft Assembly – Parts List	48
14.12.1 Stand and Brake Assembly – Exploded View	50
14.12.2 Stand and Brake Assembly – Parts List	51
14.13.1 End Gear Assembly – Exploded View	52
14.13.2 End Gear Assembly – Parts List	53
14.14.1 Follow Rest – Exploded View	54
14.14.2 Follow Rest – Parts List	54
14.15.1 Thread Dial Assembly – Exploded View	55
14.15.2 Thread Dial Assembly – Parts List	55
14.16.1 Steady Rest – Parts List	56
14.16.2 Steady Rest – Parts List	57
14.17.1 Coolant and Work Light Assembly – Exploded View	58
14.17.2 Coolant and Work Light Assembly – Parts List	58
14.18.1 Chuck Guard Assembly – Exploded View	59
14.18.2 Chuck Guard Assembly – Parts List	59
14.19.1 Lead Screw Cover Assembly – Exploded View	60
14.19.2 Lead Screw Cover Assembly – Parts List	60
14.20.1 Accessories I – Exploded View	61
14.20.2 Accessories I – Parts List	62
14.21.1 Accessories II – Exploded View	63
14.21.2 Accessories II – Parts List	63
14.22.1 Electrical Components – Exploded View	64
14.22.2 Electrical Components – Parts List	64
15.0 Electrical Connections	65
15.1 Wiring Diagram – 1 Phase	65
15.2 Wiring Diagram – 3 Phase	66